[Contracts] extract LocaleAwareInterface out of TranslatorInterface

Author: nicolas-grekas

Tests/Extension/Fixtures/StubTranslator.php

@@ -19,17 +19,4 @@ public function trans($id, array $parameters = array(), $domain = null, $locale
     {
         return '[trans]'.$id.'[/trans]';
     }
-
-    public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null)
-    {
-        return '[trans]'.$id.'[/trans]';
-    }
-
-    public function setLocale($locale)
-    {
-    }
-
-    public function getLocale()
-    {
-    }
 }

composer.json

@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/contracts": "^1.0",
+        "symfony/contracts": "^1.0.2",
         "twig/twig": "^1.35|^2.4.4"
     },
     "require-dev": {